Which of the following commands can be used to modify kernel parameters at runtime?

A.

sync

B.

sysctl

C.

mkinitrd

D.

lsdev

During the boot process of a Linux computer, which of the following daemons is called after
the kernel is loaded?

A.

LPD

B.

TELNETD

C.

INIT

D.

RLOGIND

You work as a Network Administrator for Secure World Inc. The company has a Linuxbased
network. You want to run a command with the changed root directory. Which of the
following commands will you use?

A.

route <new root> <command>

B.

ls <new root> <command>

C.

chroot <new root> <command>

D.

chdir <new root> <command>

Which of the following commands is used to list all contents of a superblock of a partition?

A.

tune2fs -c

B.

tune2fs -f

C.

tune2fs -l

D.

tune2fs -j

Which of the following files are used to activate disk quotas on a file system?
Each correct answer represents a complete solution. Choose all that apply.

A.

quotA.group

B.

quotA.user

C.

quotaon

D.

quotaon

You work as a system administrator for Tech Perfect Inc. The company has a Linux-based
network. You are a root user on the Linux operating system. A user, Jetson, wants to view
the speed and the duplex for his Ethernet card. His ethernet card is activated on interface
eth0. Which of the following commands can you use to accomplish this task?

A.

ifup eth0

B.

ifconfig eth0

C.

ip link show eth0

D.

sudo ethtool eth0

You work as the Network Administrator for Perfect Solutions Inc. The company has a
Linux-based network. You are a root user on the Red Hat operating system. You want to
view all files with a size of over 50 megabytes on your system. Which of the following
commands should you use to accomplish the task?

A.

find size +50M

B.

find -size 50M

C.

find -size -50M

D.

find -size +50M

Which of the following commands is used to create a user account for a new user?

A.

USERMOD

B.

MOUNT

C.

USERADD

D.

CRUSER

Which of the following commands is used to make a swap active after creating a new
SWAP partition?

A.

swapon

B.

mkswap

C.

mkfs

D.

fdisk

Which of the following files is used to view the current status of RAID devices in Linux?

A.

/proc/mdstat

B.

/proc/stat

C.

/proc/meminfo

D.

/proc/mounts